4-Channel 5V Relay Module - Black + Blue
Color: Black + blue - Equipped with high-current relay AC 250V 10A; DC 30V 10A - 1N1~1N4 Relay control interface that can be controlled directly by microcontroller (51 / AVR / AVR / ARM + more) - Working voltage: 5V - VCC input: 5V - Power indicator (green) - 4 Indication LEDs for relay output status